Tinea cruris or jock itch is the common fungal infection that affects the skin of your inner thighs, buttocks and genitals. It causes an itchy red, ring shaped rash
in these areas. Skin scrapings will help determine the fungus.
Hyperhydrosis can occur due to many conditions like food, climate, beverages, menopause, low level of male hormones, low blood sugars, tuberculosis, certain drugs, heredity, stress and anxiety.
Consult a dermatologist, for complete evaluation and treatment accordingly.